Depending on the processed material from each drill must be properly sharpened. To verify the correct angle will help a specially prepared square plate of copper or aluminium with a thickness of 1 mm.
To become operational protractor enough to cut it cut, as shown in the picture: a large cutout at an angle of 120 degrees, the other half is 60 degrees and the surviving corner of a square is 90.
Recommend to read
RESTORING THE NOZZLE
The reasons of breakage of the nozzle on the Microdrive, a great many. And to do so more quickly, a new chiseled mikrodetal is not always possible. But, it turns out, engaged in the...
ANOTHER MICRO…
Four years is not a long period, but during this time, you can do many interesting things, especially if you work with a twinkle. Four years ago we in the city of Apatity was organized...
